Abstract: Disclosed spinal implants may include a rod extending in a horizontal direction and a first implant receiver having a first passageway extending in the horizontal direction and a first threaded passageway extending in a vertical direction, for example. Additionally, the implant may include a second implant receiver having a second passageway extending in the horizontal direction and a second threaded passageway extending in the vertical direction, for example. The implant may include a first set screw having a size and shape corresponding to a size and shape of the first threaded passageway and a second set screw having a size and shape corresponding to a size and shape of the second threaded passageway, for example. In some embodiments, the rod may extend in the horizontal direction through the first and second passageways and may be constrained from moving in the vertical direction by the first and second passageways, for example.

Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include an access valve that may be retrieved after implantation. The access valve may include a frame having a lumen, a self-expandable member extending through the lumen, and an elastic membrane extending through the lumen and a second end of the frame to releasably seal the lumen. The access valve may releasably attach to a wall of a patient and releasably seal an opening through the wall. The access valve may be attached to the wall by placing the frame adjacent the wall, extending the self-expandable member through the opening in the wall, and expanding the self-expandable member such that the self-expandable member applies a first force against the wall and a second force opposite the first force against the frame to sandwich the wall between the self-expandable member and the frame.

Abstract: A surgical instrument includes at least one blade defining a longitudinal axis and includes a distal member. An actuator is engageable with the member to rotate the member relative to the longitudinal axis to space tissue adjacent a surgical site. Surgical systems, constructs, implants, and methods are disclosed.

Abstract: A screw-based retractor comprises an elongate rack having a rack axis, a plurality of arms slidably supported for translational movement on the rack, and a plurality of blades, one each supported by a respective arm at a distal portion thereof. At least one of the arms includes at its distal portion a blade releasably attached thereto. Such at least one arm comprises a plurality of links each of which is configured to allow the blade supported by such arm to be moved in plural incrementally discrete positions with each such discrete position being selectively lockable. The blade may have a fixed or variable length. Such blade may be attached to a blade receptacle movably attached to the at least one arm in a manner to provide articulation of the blade receptacle and hence the attached blade about an articulation point spaced from and not located on such arm.

Abstract: Provided are external fixation horns and clamp for use with struts in conjunction with external bone fixation (EBF) devices. A fixation horn is a cylindrical component intended to connect and provide further fixation locations for a half-pin clamp. A horn can be offered at various angles and lengths to best fit the application and surgeon preference. Prior to securement, the horn is positioned in the desired position and orientation relative to the half-pin clamp. Once in position, a floating collar of the horn is tightened onto the clamp. The collar compresses a serrated face of the horn with a mating serrated face of the clamp. The serrated faces of the horn and half-pin clamp are designed to lock together and resist rotational slippage during use.

Abstract: Technologies are generally provided for devices, systems, and methods to provide spinal fixation, spinal stabilization, and/or spinal fusion. Example devices may include a first end and a second end with a middle portion extending between the first and second end. The first end may be configured to be in contact with a portion of a first or upper vertebra and the second end may be configured to be in contact with a portion of a second or lower vertebra in an adjacent vertebral pair. Portions of the vertebra which may be in contact with the device may include lamina, processes, vertebral bodies, and facet joints. The example devices may include bone engagement features, such as screws or similar fasteners, to enhance stabilization and fixation when in contact with the vertebrae. Additionally, the devices may include a bone integration feature to promote bone growth and to facilitate fusion between the vertebrae.

Abstract: An automatic traction device for a lower limb fracture osteosynthesis includes a chassis structure, a lower leg supporting structure and an upper leg supporting structure connected two by two. The automatic traction device further includes a tibia distal position adjusting device, for adjusting a position and an angle of a distal end of a tibia, on the lower leg supporting structure and close to the first end portion of the lower leg supporting structure; and a tibia proximal position adjusting device, for adjusting a position and an angle of a proximal end of a tibia, on the lower leg supporting structure and close to the second end portion of the lower leg supporting structure.

Abstract: A medical implant assembly including a receiver and a fastener. The receiver having helically wound thread extending up to a top surface thereof. The fastener having an axis of rotation and a continuously helically wound thread form. The continuously helically wound thread form having a start structure and an upper loading surface extending between a root and a crest of the continuously helically wound thread form. The start structure having a leading face extending below the upper loading surface. The leading face including a partial curvate surface extending between the root and the crest. The start structure being configured as a single lead start structure and a dual lead start structure.

Abstract: Retractor holding frames and related methods are provided. The frame includes a support body including a first bore extending transversely from a first side of the support body to a second side of the support body opposite the first side, and a second bore extending transversely from the second side to the first side. The frame includes a left support frame arm including a first annular hub configured to be disposed within the first bore and a first plurality of posts disposed along an outer edge of the left support frame arm configured to retain a first retractor in a first orientation. The frame includes a right support frame arm including a second annular hub configured to be disposed within the second bore and a second plurality of posts disposed along an outer edge of the right support frame arm configured to retain a second retractor in a second orientation.

Abstract: A lower limb traction device for intramedullary nail implantation operation includes a chassis with a first end portion and a second end portion opposite to each other; a first slide block slidably provided at a second end portion of the chassis in a longitudinal direction of the chassis; a lower leg support plate having two opposite end portions and two opposite side portions, wherein one end portion is connected to the first slide block; an upper leg back plate having opposite end portions and opposite side portions, wherein one end portion of the upper leg back plate is connected to the second end portion of the chassis, and the other end portion of the upper leg back plate is connected to the other end of the lower leg support plate; and a pulling mechanism provided at the first end portion of the chassis.

Abstract: Systems and methods include stabilizing a leg and providing femoral distraction during a knee arthroplasty surgery. The disclosed systems include a leg holder to receive a foot of a patient and a femoral distractor received in the leg holder and disposed underneath a knee of the patient. The femoral distractor is actuated to increase or decrease in length to distract the femur such that a surgeon may cut to resection the femur without also simultaneously providing distraction of the femur.

Abstract: Systems providing robotic bending used to bend a surgical rod are disclosed. Such systems may include a processor and memory coupled with the processor. The memory includes computer readable program code so that when the computer readable program code is executed by the processor, the processor performs operations including providing a set of transformation points corresponding to respective attachment implants, generating a bend plan for the surgical rod based on the set of transformation points, and generating an image output to render the set of transformation points and the bend plan on a display. Related methods and computer program products are also discussed.

Abstract: The present application relates to repair systems, and more particularly to fifth metatarsal repair systems and methods of use. The repair systems described herein can include a fixation device with a threaded section. The repair systems described herein can include one or more grippers designed to be deflected outward to grip the sidewalls of an intramedullary canal of the fifth metatarsal. The repair systems described herein can include an end cap. The end cap can include a fastener including thread designed to engage the threaded section of the fixation device. The end cap can include a cap designed to move relative to the fastener.

Abstract: A bone fastener comprises a first member defining a plurality of grooves. A coupling member is disposed with the first member. A first band and a second band are disposable within the grooves. A second member is configured to penetrate tissue and includes a head engageable with the first band to provisionally connect the first member to the second member. The coupling member is engageable with a part to move the part relative to the first member into engagement with the second band to dispose the second band adjacent the first band to connect the first member to the second member. Systems, surgical instruments, implants and methods are disclosed.

Abstract: A modular head polyaxial pedicle screw assembly has a pedicle bone screw, a tulip, a split locking ring and a saddle. The screw has a head and a threaded shank. The split locking ring has a split ring body with one or more positioning tabs extending from a first surface of the split ring body. The split ring locking ring is configured to be placed internal of the tulip positioned in a recess, groove or undercut of an inner surface of the tulip. Upon assembly of the pedicle screw into the tulip, at least a maximum diameter of the head is positioned above the recess, groove or undercut allowing the split locking ring to be inserted into the recess or groove thereby securing the pedicle screw inside the tulip wherein the head of the pedicle screw abuts the one or more positioning tabs.

Abstract: Robotic rod benders are disclosed including a motor housing and a mechanical housing coupled with the motor housing. The motor housing may include first and second rod feeding/rotating motors, a brake motor, a bending motor, first and second rod feeding/rotating transmission inputs, a brake transmission input, and a bending transmission input. The mechanical housing may include a rod feeding/rotating subassembly, a brake subassembly, a bending subassembly, first and second rod feeding/rotating transmission outputs, a brake transmission output, and a bending transmission output. Separate motor and mechanical housings are also disclosed.

Abstract: An osteosynthesis device for the treatment of the spine is disclosed having a fork head which is U-shaped in a side view, and which fork head, in the proximal direction, has two fork legs with an internal thread and in which a connecting rod can be received, and a grub screw is passed through the internal thread, and the fork head is detachably connected to a bone anchor. The bone anchor is pivotably mounted in the ball seat of the fork head, wherein the fork head in the ball seat area has slots open towards the distal side and thereby at least one deflectable leg is formed.

Abstract: A nut for treating a bone includes a head and a body extending longitudinally from the head to a free end and including a channel extending longitudinally thereinto from the free end, the channel configured to engage an end of a bone screw, and an exterior threading extending about the body from an exterior surface thereof along an entire length thereof, an outer contour of the exterior threading defined via radially outermost edges of the exterior threading, a first portion of the outer contour adjacent the head portion having a smaller diameter than a second portion of the outer contour extending from the first portion to the free end of the body.

Abstract: A surgical device includes at least one retractor blade. Each retractor blade includes a blade body having a lateral side, a medial side opposite the lateral side and a bottom end. The bottom end has an inverted-arch curvature. The inverted-arch curvature includes a lowest point in proximity to a midline of the blade body. Each retractor blade includes a connector integrated into a mid-section on the medial side of the blade body and a leg interface configured to mate and/or pair with a leg of a distractor. The at least one retractor blade may include two retractor blades configured as mirror images of each other. Each blade is configured to pair with a respective one distractor.

Abstract: A construct may include a connector having a first body portion and a second body portion rotatably coupled to another. A first implant cavity may be defined, at least partly, by at least two threaded arm portions defining a first axis between the at least two threaded arm portions. The first implant cavity may include a first receiving cavity configured to adjustably orient a first rod in a plane substantially perpendicular to the first axis, and the second implant cavity may include a second receiving cavity configured to orient a second rod. In some embodiments, the threaded arm portions are configured to receive a first set screw such that when the first set screw is fully tightened along the first axis the first rod is fixed relative to the first body portion in a direction extending substantially parallel with the plane.